Datasheet

TVP5158, TVP5157, TVP5156
SLES243G –JULY 2009–REVISED APRIL 2013 www.ti.com
• Programmable Gain Amplifier (PGA)
– Gain range: -12 ~ 0 dB, Gain Step: 1.5 dB
• Integrated Anti-Aliasing Filter (AAF)
• 10-Bit Analog-to-Digital Converter
• Integrates Audio High-pass filter to eliminate low frequency hum
• Digital serial audio interface
– 16-Bit Linear PCM, 8-Bit A-Law and 8-Bit µ-Law Data
– I
2
S or DSP Format
– Master and Slave mode operation
– Up to 16 slots TDM output
– 64 f
s
or 256 f
s
system clock
• Sampling Rate : 16 kHz, 8 kHz
• Audio Cascade connection
– Up to 4 cascaded devices
– I
2
S format
– 256 f
s
system clock
• Audio Mixing Output
– Audio ADC has one register to set mix ratio
– The Mixing output pin SD_M can also be used for recording. Combined with the recording output
pin SD_R, two I
2
S bit-streams can be output simultaneously.
3.9.2 Audio Sub-System Functional Diagram
Figure 3-17. Audio Sub-System Functional Diagram
32 Functional Description Copyright © 2009–2013, Texas Instruments Incorporated
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